Home / 111,444.19-153,795.68-61,143.19

Finding the Fourth Proportional to 111,444.19, 153,795.68 and 61,143.19

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Solution

The fourth proportional to 111,444.19, 153,795.68 and 61,143.19 is: 84,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,444.19 : 153,795.68 = 61,143.19 : x
  2. Step 2: Convert to fraction form
    111,444.19/153,795.68 = 61,143.19/x
  3. Step 3: Cross multiply
    111,444.19x = 153,795.68 × 61,143.19
  4. Step 4: Simplify right side
    111,444.19x = 9,403,558,022.50
  5. Step 5: Solve for x
    x = 9,403,558,022.50/111,444.19
  6. Step 6: Final answer
    x = 84,379.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.